GS1578A Data Sheet

33657 - 4

March 2006

6 of 15

2.4 AC Electrical Characteristics

Table 2-2: AC Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Notes

Serial input data rate

–

–

–

1.485

Gb/s

1

Additive jitter

–

1.485Gb/s

–

22

–

–

–

270Mb/s

–

20

–

–

Rise/Fall time

SD/HD=0

–

–

220

ps

2

SD/HD=1

400

–

800

ps

2

Mismatch in rise/fall time

–

–

–30ps

–

Duty cycle distortion

–

SD/HD=0

–

–

30

ps

–

–SD/HD=1

–

–

100

ps

–

Overshoot

–

SD/HD=0

–

–

10

%

–

–SD/HD=1

–

–

8

%

–

Output Return Loss

ORL

–

15

–

–

dB

–

Output Voltage Swing

Single Ended into 75

Ω

external load

750

800

850

–

Input Voltage Swing

Differential

300

–

2000

–

NOTES:

1. The input coupling capacitor must be set accordingly for lower data rates.

2. Rise/Fall time measured between 20% and 80%.